package com.xiepei.day01;

public class KeyBoard implements  USB{

    @Override
    public void open() {
        System.out.println("键盘开启");
    }

    @Override
    public void close() {
        System.out.println("键盘关闭");

    }

    public void input(){
        System.out.println("键盘可以输入");
    }
}
